More on the covariant retarded Green’s function for the electromagnetic field in de Sitter spacetime

Atsushi Higuchi, Lee Yen Cheong, and Jack R. Nicholas
Phys. Rev. D 80, 107502 – Published 13 November 2009

Abstract

In a recent paper [2] it was shown in examples that the covariant retarded Green’s functions in certain gauges for electromagnetism and linearized gravity can be used to reproduce field configurations correctly in spite of the spacelike nature of past infinity in de Sitter spacetime. In this paper we extend the work of Ref. [2] concerning the electromagnetic field and show that the covariant retarded Green’s function with an arbitrary value of the gauge parameter reproduces the electromagnetic field from two opposite charges at antipodal points of de Sitter spacetime.

  • Received 24 July 2009

DOI:https://doi.org/10.1103/PhysRevD.80.107502

©2009 American Physical Society

Authors & Affiliations

Atsushi Higuchi*, Lee Yen Cheong, and Jack R. Nicholas

  • Department of Mathematics, University of York, Heslington, York YO10 5DD, United Kingdom

  • *ah28@york.ac.uk
  • yl538@york.ac.uk
  • jacknicholas87@googlemail.com

See Also

How to use retarded Green’s functions in de Sitter spacetime

Atsushi Higuchi and Lee Yen Cheong
Phys. Rev. D 78, 084031 (2008)

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Issue

Vol. 80, Iss. 10 — 15 November 2009

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